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https://github.com/LadybirdBrowser/ladybird.git
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a6dfc74e93
Before this change, we were going through the chain of base classes for each IDL interface object and having them set the prototype to their prototype. Instead of doing that, reorder things so that we set the right prototype immediately in Foo::initialize(), and then don't bother in all the base class overrides. This knocks off a ~1% profile item on Speedometer 3.
117 lines
4.3 KiB
C++
117 lines
4.3 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/Bindings/HTMLFrameElementPrototype.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/CSS/ComputedProperties.h>
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#include <LibWeb/CSS/StyleValues/DisplayStyleValue.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/Event.h>
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#include <LibWeb/HTML/BrowsingContext.h>
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#include <LibWeb/HTML/EventNames.h>
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#include <LibWeb/HTML/HTMLFrameElement.h>
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#include <LibWeb/ReferrerPolicy/ReferrerPolicy.h>
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namespace Web::HTML {
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GC_DEFINE_ALLOCATOR(HTMLFrameElement);
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HTMLFrameElement::HTMLFrameElement(DOM::Document& document, DOM::QualifiedName qualified_name)
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: NavigableContainer(document, move(qualified_name))
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{
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// https://html.spec.whatwg.org/multipage/obsolete.html#frames:potentially-delays-the-load-event
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// The frame element potentially delays the load event.
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set_potentially_delays_the_load_event(true);
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}
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HTMLFrameElement::~HTMLFrameElement() = default;
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void HTMLFrameElement::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLFrameElement);
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Base::initialize(realm);
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}
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// https://html.spec.whatwg.org/multipage/obsolete.html#frames:html-element-insertion-steps
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void HTMLFrameElement::inserted()
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{
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Base::inserted();
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// 1. If insertedNode is not in a document tree, then return.
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if (!in_a_document_tree())
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return;
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// 2. If insertedNode's root's browsing context is null, then return.
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if (root().document().browsing_context() == nullptr)
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return;
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// 3. Create a new child navigable for insertedNode.
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MUST(create_new_child_navigable(GC::create_function(realm().heap(), [this] {
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// 4. Process the frame attributes for insertedNode, with initialInsertion set to true.
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process_the_frame_attributes(true);
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set_content_navigable_has_session_history_entry_and_ready_for_navigation();
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})));
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}
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// https://html.spec.whatwg.org/multipage/obsolete.html#frames:html-element-removing-steps
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void HTMLFrameElement::removed_from(DOM::Node* old_parent, DOM::Node& old_root)
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{
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Base::removed_from(old_parent, old_root);
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// The frame HTML element removing steps, given removedNode, are to destroy a child navigable given removedNode.
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destroy_the_child_navigable();
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}
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// https://html.spec.whatwg.org/multipage/obsolete.html#frames:frame-3
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void HTMLFrameElement::attribute_changed(FlyString const& name, Optional<String> const& old_value, Optional<String> const& value, Optional<FlyString> const& namespace_)
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{
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Base::attribute_changed(name, old_value, value, namespace_);
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// Whenever a frame element with a non-null content navigable has its src attribute set, changed, or removed, the
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// user agent must process the frame attributes.
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if (content_navigable() && name == HTML::AttributeNames::src)
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process_the_frame_attributes();
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}
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// https://html.spec.whatwg.org/multipage/interaction.html#dom-tabindex
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i32 HTMLFrameElement::default_tab_index_value() const
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{
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// See the base function for the spec comments.
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return 0;
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}
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void HTMLFrameElement::adjust_computed_style(CSS::ComputedProperties& style)
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{
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// https://drafts.csswg.org/css-display-3/#unbox
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if (style.display().is_contents())
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style.set_property(CSS::PropertyID::Display, CSS::DisplayStyleValue::create(CSS::Display::from_short(CSS::Display::Short::None)));
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}
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// https://html.spec.whatwg.org/multipage/obsolete.html#process-the-frame-attributes
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void HTMLFrameElement::process_the_frame_attributes(bool initial_insertion)
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{
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// 1. Let url be the result of running the shared attribute processing steps for iframe and frame elements given
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// element and initialInsertion.
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auto url = shared_attribute_processing_steps_for_iframe_and_frame(initial_insertion);
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// 2. If url is null, then return.
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if (!url.has_value())
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return;
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// 3. If url matches about:blank and initialInsertion is true, then:
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if (url_matches_about_blank(*url) && initial_insertion) {
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// 1. Fire an event named load at element.
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dispatch_event(DOM::Event::create(realm(), HTML::EventNames::load));
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// 2. Return.
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return;
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}
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// 3. Navigate an iframe or frame given element, url, and the empty string.
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navigate_an_iframe_or_frame(*url, ReferrerPolicy::ReferrerPolicy::EmptyString);
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}
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}
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